| #![warn(clippy::arithmetic_side_effects, clippy::float_arithmetic)] |
| #![allow( |
| unused, |
| clippy::shadow_reuse, |
| clippy::shadow_unrelated, |
| clippy::no_effect, |
| clippy::unnecessary_operation, |
| clippy::op_ref |
| )] |
| |
| #[rustfmt::skip] |
| fn main() { |
| let mut f = 1.0f32; |
| |
| f * 2.0; |
| //~^ ERROR: floating-point arithmetic detected |
| //~| NOTE: `-D clippy::float-arithmetic` implied by `-D warnings` |
| |
| 1.0 + f; |
| //~^ ERROR: floating-point arithmetic detected |
| f * 2.0; |
| //~^ ERROR: floating-point arithmetic detected |
| f / 2.0; |
| //~^ ERROR: floating-point arithmetic detected |
| f - 2.0 * 4.2; |
| //~^ ERROR: floating-point arithmetic detected |
| -f; |
| //~^ ERROR: floating-point arithmetic detected |
| |
| f += 1.0; |
| //~^ ERROR: floating-point arithmetic detected |
| f -= 1.0; |
| //~^ ERROR: floating-point arithmetic detected |
| f *= 2.0; |
| //~^ ERROR: floating-point arithmetic detected |
| f /= 2.0; |
| //~^ ERROR: floating-point arithmetic detected |
| } |
| |
| // also warn about floating point arith with references involved |
| |
| pub fn float_arith_ref() { |
| 3.1_f32 + &1.2_f32; |
| //~^ ERROR: floating-point arithmetic detected |
| &3.4_f32 + 1.5_f32; |
| //~^ ERROR: floating-point arithmetic detected |
| &3.5_f32 + &1.3_f32; |
| //~^ ERROR: floating-point arithmetic detected |
| } |
| |
| pub fn float_foo(f: &f32) -> f32 { |
| let a = 5.1; |
| a + f |
| //~^ ERROR: floating-point arithmetic detected |
| } |
| |
| pub fn float_bar(f1: &f32, f2: &f32) -> f32 { |
| f1 + f2 |
| //~^ ERROR: floating-point arithmetic detected |
| } |
| |
| pub fn float_baz(f1: f32, f2: &f32) -> f32 { |
| f1 + f2 |
| //~^ ERROR: floating-point arithmetic detected |
| } |
| |
| pub fn float_qux(f1: f32, f2: f32) -> f32 { |
| (&f1 + &f2) |
| //~^ ERROR: floating-point arithmetic detected |
| } |